flink状态rocksdb

Flink RocksDB 状态后端参数调优实践

State R/W on RocksDB RocksDB 作为 Flink 状态后端时的读写逻辑与一般情况略有不同，如下图所示。Flink 作业中的每一个注册的状态都对应一个列族（column family），即包含自己独立的 memtable 和 sstable 集合。写操作会先将数据写入活动...

flink rocksdb状态后端物理内存溢出的问题

请教一下，我采用flink 1.8版本，状态后端采用rocksdb方式，任务运行一段时间后containter会出现物理内存溢出，单个containter的内存为10G、堆内存使用很少仅1G左右。这种情况下我应该如何分析内存占用情况？来自志愿者整理的flink邮件归档

Flink的状态后端RocksDB的优点是什么？

关于flink状态后端使用Rocksdb序列化问题

flink版本是1.7.2，hadoop是2.8.5 现在遇到个问题，假设订单对象Order，因使用了窗口等，所以有状态产生，假设现在要在Order中添加几个新的字段，采用savepoint重启任务，就会报错，看错误信息是反序列化问题（rocksdb默认用的kryo），只能...

mac m1跑flink 我使用rocksdb状态后端碰到/librocksdbjni-osx

mac m1跑flink 我使用rocksdb状态后端碰到/librocksdbjni-osx.jnilib'(mach-o file,but is an incompatible architecture(have 'x86_64',need 'arm64e'))这个问题，大神们知道怎么解决吗？

flink 中的rocksdb状态怎么样能可视化的查看有大佬知道吗？

flink 中的rocksdb状态怎么样能可视化的查看有大佬知道吗？本问题来自阿里云开发者社区的【11大垂直技术领域开发者社群】。点击这里欢迎加入感兴趣的技术领域群。

Flink键控状态清理增量rocksdb检查点

Flink键控状态清理增量rocksdb检查点我有一个flink工作，可以在rocksdb后端保持大键控状态。我们正在使用增量检查点策略。随着时间的推移，状态的规模成为一个问题。我们检查了状态ttl解决方案，但它不支持增量的rocksdb状态。如果我真的...

使用flink状态做去重，以rocksdb作为状态后端，并行度给了1800，生成大量小文件咋办？

使用flink状态做去重，以rocksdb作为状态后端，并行度给了1800，现在checkpoint生成了大量的小文件咋办？

flinksqlAPI的状态设置永不超时，是否也可以使用rocksdb作为状态后端呢？

flink运行的job里面我怎么取出rocksdb里面的状态数据呢

本问题来自阿里云开发者社区的【11大垂直技术领域开发者社群】。https://developer.aliyun.com/article/706511 点击链接欢迎加入感兴趣的技术领域群。

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

实时同步

功能对比

成本优化